Re: [dpdk-stable] [dpdk-dev] [PATCH] net/netvsc: fix rndis packet addresses

[Kevin Traynor <ktraynor@redhat.com>]

+fixed Souvik email

On 21/09/2020 17:04, Kevin Traynor wrote:
> On 18/09/2020 19:53, Long Li wrote:
>> From: Long Li <longli@microsoft.com>
>>
>> The address should be calculated before type cast, not after.
>>
> 
> This is being requested for 18.11.10 as it is fixing a reported
> regression introduced in 18.11.9.
> 
> If netvsc maintainers agree and it is merged in DPDK mainline this week,
> I can take it into 18.11.10, otherwise it will be for 18.11.11.
> 
> Souvik, maybe you can give tested-by tags?
> 
>> Fixes: cc02518 ("net/netvsc: split send buffers from Tx descriptors")
>> Cc: stable@dpdk.org
>>
>> Reported-by: Souvik Dey <sodey@rbbn.com>
>> Signed-off-by: Long Li <longli@microsoft.com>
>> ---
>>  drivers/net/netvsc/hn_rxtx.c | 4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/net/netvsc/hn_rxtx.c b/drivers/net/netvsc/hn_rxtx.c
>> index 813f8c3cc..70f8b8332 100644
>> --- a/drivers/net/netvsc/hn_rxtx.c
>> +++ b/drivers/net/netvsc/hn_rxtx.c
>> @@ -160,8 +160,8 @@ static void hn_txd_init(struct rte_mempool *mp __rte_unused,
>>  
>>  	txd->queue_id = txq->queue_id;
>>  	txd->chim_index = NVS_CHIM_IDX_INVALID;
>> -	txd->rndis_pkt = (struct rndis_packet_msg *)(char *)txq->tx_rndis
>> -		+ idx * HN_RNDIS_PKT_ALIGNED;
>> +	txd->rndis_pkt = (struct rndis_packet_msg *)((char *)txq->tx_rndis
>> +		+ idx * HN_RNDIS_PKT_ALIGNED);
>>  }
>>  
>>  int
>>